Home / 47,613.96-65,709.18-26,391.78

Finding the Fourth Proportional to 47,613.96, 65,709.18 and 26,391.78

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Solution

The fourth proportional to 47,613.96, 65,709.18 and 26,391.78 is: 36,421.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,613.96 : 65,709.18 = 26,391.78 : x
  2. Step 2: Convert to fraction form
    47,613.96/65,709.18 = 26,391.78/x
  3. Step 3: Cross multiply
    47,613.96x = 65,709.18 × 26,391.78
  4. Step 4: Simplify right side
    47,613.96x = 1,734,182,222.54
  5. Step 5: Solve for x
    x = 1,734,182,222.54/47,613.96
  6. Step 6: Final answer
    x = 36,421.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.